20306143

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8353}}^1$

素因数の和:8394

約数の個数: 16

約数和(自身を含む): 25262496

約数和(自身を除く): 4956353

約数列:

[1, 11, 13, 17, 143, 187, 221, 2431, 8353, 91883, 108589, 142001, 1194479, 1562011, 1846013, 20306143]

約数ペア:

[(1, 20306143), (11, 1846013), (13, 1562011), (17, 1194479), (143, 142001), (187, 108589), (221, 91883), (2431, 8353)]